mkvhost

#!/bin/bash
#RHCE page 363, guided exercise

#Variables
VHOSTNAME=$1
TIER=$2
HTTPDCONF=/etc/httpd/conf/httpd.conf
VHOSTCONFDIR=/etc/httpd/conf.vhost.d
DEFHOSTCONFFILE=$VHOSTCONFDIR/00-default-vhost.conf
VHOSTCONFFILE=$VHOSTCONFDIR/$VHOSTNAME.conf
WWWROOT=/srv
DEFVHOSTDOCROOT=$WWWROOT/default/www
VHOSTDOCROOT=$WWWROOT/$VHOSTNAME/www

#Check arguments
if [ "$VHOSTNAME" = '' ] || [ "$TIER" = '' ]; then
	echo "Usage: $0 VHOSTNAME TIER"
	exit 1
else

#Set support email address
   case $TIER in
	1)VHOSTADMIN='basic_support@example.com'
	  ;;
	2)VHOSTADMIN='business_support@example.com'
	  ;;
	3)VHOSTADMIN='enterprise_support@example.com'
	  ;;
	*)echo "Invalid tier specified."
	  exit 1
	  ;;
   esac
fi

#Create conf directory one time if non-existent
if [ ! -d $VHOSTCONFDIR ]; then
	mkdir $VHOSTCONFDIR
	if [ $? -ne 0 ]; then
		echo "ERROR: Failed creating $VHOSTCONFDIR."
		exit 1
	fi
fi

#Add include one time if missing
grep -q '^IncludeOptional conf\.vhosts\.d/\*\.conf$' $HTTPDCONF
if [ $? -ne 0 ]; then
	#Backup before modifying
	cp -a $HTTPDCONF $HTTPDCONF.orig
	echo "IncludeOptional conf.vhosts.d/*.conf" >> $HTTPDCONF
	if [ $? -ne 0 ]; then
		echo "ERROR: Failed adding include directive."
		exit 1
	fi
fi

#Check for default virtual host
if [ ! -f $DEFVHOSTCONFFILE ]; then
	cat <<DEFCONFEOF > $DEFVHOSTCONFFILE
<VirtualHost _default_:80>
	DocumentRoot $DEFVHOSTDOCROOT
	CustomLog "logs/default-vhost.log" combined
</VirtualHost>
<Directory $DEFVHOSTDOCROOT>
	Require all granted
</Directory>
DEFCONFEOF
fi

if [ ! -d $DEFVHOSTDOCROOT ]; then
	mkdir -p $DEFVHOSTDOCROOT
	restorecon -Rv /srv/
fi

#Check for virtual host conflict
if [ -f $VHOSTCONFFILE ]; then
	echo "ERROR: $VHOSTCONFFILE already exists."
	exit 1
elif [ -d $VHOSTDOCROOT ]; then
	echo "ERROR: $VHOSTDOCROOT already exists."
	exit 1
else
	cat <<CONFEOF > $VHOSTCONFFILE
<Directory $VHOSTDOCROOT>
	Require all granted
	AllowOverride None
</Directory>
<VirtualHost *:80>
	DocumentRoot $VHOSTDOCROOT
	ServerName $VHOSTNAME
	ServerAdmin $VHOSTADMIN
	ErrorLog "logs/${VHOSTNAME}_error_log"
	CustomLog "logs/${VHOSTNAME}_access_log" common
</VirtualHost>
CONFEOF
	mkdir -p $VHOSTDOCROOT
	restorecon -Rv $WWWROOT
fi

#Check config and reload
apachectl configtest &> /dev/null
if [ $? -eq 0 ]; then
	systemctl reload httpd &> /dev/null
else
	echo "ERROR: Config error."
	exit 1
fi